Concept information
Terme préférentiel
watershed
Définition
- A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the drainage divide, made up of a succession of elevated features, such as ridges and hills. A basin may consist of smaller basins that merge at river confluences, forming a hierarchical pattern. Other terms for a drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, and impluvium. (Adapted from: https://en.wikipedia.org/wiki/Drainage_basin)
Concept générique
Synonyme(s)
- catchment
- catchment basin
- drainage basin
Traductions
-
français
-
bassin hydrographique
URI
http://data.loterre.fr/ark:/67375/QX8-B02Q47NH-J
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